mirror of
https://github.com/iiab/iiab.git
synced 2025-02-15 04:32:11 +00:00
77 lines
2.6 KiB
Bash
Executable file
77 lines
2.6 KiB
Bash
Executable file
#!/bin/bash
|
|
IFACE={{ discovered_wireless_iface }}
|
|
RASPBIAN=0
|
|
NETPLAN=0
|
|
SSID="NA"
|
|
# when we get here br0 should be available and dbus wpa_supplicant was started if enabled. None
|
|
# of the backends that use wpa_supplicant should be active yet based on the Before= After= lines
|
|
# in the wifi-test.service unit file.
|
|
|
|
# covers systemd-networkd
|
|
if [ -f /etc/wpa_supplicant/wpa_supplicant-$IFACE.conf ]; then
|
|
SSID=`grep ssid /etc/wpa_supplicant/wpa_supplicant-$IFACE.conf | awk -F = '{print $2}' | sed -r s/\"// | sed -r s/\"//`
|
|
fi
|
|
|
|
# covers raspbian
|
|
if [ -f /etc/wpa_supplicant/wpa_supplicant.conf ]; then
|
|
RASPBIAN=1
|
|
SSID=`grep ssid /etc/wpa_supplicant/wpa_supplicant.conf | awk -F = '{print $2}' | sed -r s/\"// | sed -r s/\"//`
|
|
fi
|
|
|
|
# covers netplan
|
|
if [ -f /run/netplan/wpa-$IFACE.conf ]; then
|
|
NETPLAN=1
|
|
SSID=`grep ssid /run/netplan/wpa-$IFACE.conf | awk -F = '{print $2}' | sed -r s/\"// | sed -r s/\"//`
|
|
# covers netplan lack of country=
|
|
sed 's|ctrl_interface=/run/wpa_supplicant|&\ncountry={{ host_country_code }}|' /run/netplan/wpa-$IFACE.conf
|
|
fi
|
|
# IIAB hint for NetworkManager
|
|
# could scrape /etc/NetworkManager/system-connections/ looking for ssid
|
|
if [ -f /etc/iiab/iiab.env ]; then
|
|
source /etc/iiab/iiab.env
|
|
if [ ! -z $CLIENT_SSID ]; then
|
|
SSID=$CLIENT_SSID
|
|
fi
|
|
fi
|
|
echo "ssid is $SSID"
|
|
if [[ $SSID == "" ]]; then
|
|
echo "Couldn't find ssid to use exiting"
|
|
exit 0
|
|
fi
|
|
# might need to start the dbus wpa_supplicant
|
|
#if [ $RASPBIAN -eq 1 ]; then
|
|
# systemctl start wpa_supplicant
|
|
#fi
|
|
wpa_cli -i $IFACE scan > /dev/null
|
|
sleep 2
|
|
FREQ=`wpa_cli -i $IFACE scan_results | grep $SSID | awk '{print $2}'`
|
|
for result in $FREQ; do
|
|
echo "frequency is $result for $SSID"
|
|
if [ $result -lt 2485 ]; then
|
|
FREQ2=$result
|
|
fi
|
|
done
|
|
echo "Using $FREQ2 for $SSID"
|
|
|
|
CHAN=$(($FREQ2 - 2407 ))
|
|
CHAN=$(($CHAN / 5 ))
|
|
echo "channel is $CHAN for $SSID"
|
|
HOSTAPD=`grep channel /etc/hostapd/hostapd.conf | awk -F = '{print $2}'`
|
|
echo "Hostapd set for $HOSTAPD"
|
|
if [ $CHAN -ne $HOSTAPD ]; then
|
|
echo "Editing Hostapd for channel $CHAN"
|
|
cp /etc/hostapd/hostapd.conf.iiab /etc/hostapd/hostapd.conf
|
|
sed -i -e "s/^channel.*/channel=$CHAN/" /etc/hostapd/hostapd.conf
|
|
# too soon to for raspbian to call hostapd but hostapd gets called after this script anyway.
|
|
if [ RASPBIAN -eq 0 ]; then
|
|
systemctl stop wpa_supplicant
|
|
systemctl start hostapd
|
|
systemctl start wpa_supplicant
|
|
fi
|
|
fi
|
|
# covers netplan lack of country=
|
|
if [ $NETPLAN -eq 1 ]; then
|
|
# This is more of a netplan workaround should go away.
|
|
systemctl restart netplan-wpa-$IFACE.service
|
|
fi
|
|
exit 0
|